01704nam 2200505Ia 450 991070158720332120120326102128.0(CKB)5470000002419212(OCoLC)781628672(EXLCZ)99547000000241921220120326d2011 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierLong-duration low- to medium-altitude solar electric airship concept[electronic resource] /David J. BentsCleveland, Ohio :National Aeronautics and Space Administration, Glenn Research Center,[2011]1 online resource (13 pages) illustrationsNASA/TM ;2011-216815Title from title screen (viewed on Mar. 26, 2012)."October 2011."Includes bibliographical references (pages 12-13).Pilotless aircraftnasatAirshipsnasatSolar energynasatPhotovoltaic conversionnasatLow altitudenasatElectric motor vehiclesnasatEnergy storagenasatPilotless aircraft.Airships.Solar energy.Photovoltaic conversion.Low altitude.Electric motor vehicles.Energy storage.Bents David J1411459NASA Glenn Research Center.GPOGPOBOOK9910701587203321Long-duration low- to medium-altitude solar electric airship concept3523162UNINA